Re: Highest secondary to spark length ratio?

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Esondrmn-at-aol-dot-com 

In a message dated 1/22/04 4:27:44 PM Pacific Standard Time, 
tesla-at-pupman-dot-com writes:


> >Hi Ed - Sounds great.  Do you have pictures showing these?
> >
> > > Original poster:
> > > In a message dated 1/19/04 11:53:21 AM Pacific Standard Time,
> > > tesla-at-pupman-dot-com writes:
> > >
> > > >I am interested in the longest sparks (hey - aren't we all) in 
> comparison
> >to
> > > >the secondary winding length with a classic TC. Mine does 96 inches 
> for a
> > > >secondary of 32 inches ie ratio of 3 times. I have heard of ratios up to
> >5
> > > >times but have not seen any documentation of this. Has anyone got
> >pictures
> > > >of coils pushed to higher ratios that show the distances clearly? (I 
> need
> >a
> > > >new desktop background).
> > > >Cheers
> > > >Peter (Tesla Downunder)
> > > http://members.iinet-dot-net.au/~pterren/
> > >
> > > Peter,
> > > My 6" coil, quite similar to yours, does 104" sparks with a 27.6" winding
> > > length for a ratio of 3.77.
> > > Ed Sonderman   Esondrmn-at-aol-dot-com
>
>
>Peter,
>
>My web site has pictures of the coil in operation.  There are no pictures
>like Richard Quick used to take with the tape measure right there for
>absolute verification.
>
>Ed Sonderman
>Spokane, WA


Replying to my own post here.  Maybe someone would like to run the numbers 
on this coil on one of the new calculator programs and let us know the 
predicted spark length?  I have all the dimensions and measured L and C 
values but do not have measured Fres as I do not have a scope.

Ed Sonderman
Spokane, WA